Home / 8,075.04-12,110.54-5,728.20

Finding the Fourth Proportional to 8,075.04, 12,110.54 and 5,728.20

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Solution

The fourth proportional to 8,075.04, 12,110.54 and 5,728.20 is: 8,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.04 : 12,110.54 = 5,728.20 : x
  2. Step 2: Convert to fraction form
    8,075.04/12,110.54 = 5,728.20/x
  3. Step 3: Cross multiply
    8,075.04x = 12,110.54 × 5,728.20
  4. Step 4: Simplify right side
    8,075.04x = 69,371,566.59
  5. Step 5: Solve for x
    x = 69,371,566.59/8,075.04
  6. Step 6: Final answer
    x = 8,590.86

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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.