Home / 5,075.04-7,612.57-3,123.15

Finding the Fourth Proportional to 5,075.04, 7,612.57 and 3,123.15

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Solution

The fourth proportional to 5,075.04, 7,612.57 and 3,123.15 is: 4,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.04 : 7,612.57 = 3,123.15 : x
  2. Step 2: Convert to fraction form
    5,075.04/7,612.57 = 3,123.15/x
  3. Step 3: Cross multiply
    5,075.04x = 7,612.57 × 3,123.15
  4. Step 4: Simplify right side
    5,075.04x = 23,775,173.35
  5. Step 5: Solve for x
    x = 23,775,173.35/5,075.04
  6. Step 6: Final answer
    x = 4,684.72

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.