Home / 4,875.08-7,312.62-2,279.84

Finding the Fourth Proportional to 4,875.08, 7,312.62 and 2,279.84

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Solution

The fourth proportional to 4,875.08, 7,312.62 and 2,279.84 is: 3,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.08 : 7,312.62 = 2,279.84 : x
  2. Step 2: Convert to fraction form
    4,875.08/7,312.62 = 2,279.84/x
  3. Step 3: Cross multiply
    4,875.08x = 7,312.62 × 2,279.84
  4. Step 4: Simplify right side
    4,875.08x = 16,671,603.58
  5. Step 5: Solve for x
    x = 16,671,603.58/4,875.08
  6. Step 6: Final answer
    x = 3,419.76

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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.