Home / 7,874.08-10,865.96-4,337.28

Finding the Fourth Proportional to 7,874.08, 10,865.96 and 4,337.28

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Solution

The fourth proportional to 7,874.08, 10,865.96 and 4,337.28 is: 5,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.08 : 10,865.96 = 4,337.28 : x
  2. Step 2: Convert to fraction form
    7,874.08/10,865.96 = 4,337.28/x
  3. Step 3: Cross multiply
    7,874.08x = 10,865.96 × 4,337.28
  4. Step 4: Simplify right side
    7,874.08x = 47,128,710.99
  5. Step 5: Solve for x
    x = 47,128,710.99/7,874.08
  6. Step 6: Final answer
    x = 5,985.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.