Home / 7,354.32-10,147.77-4,210.53

Finding the Fourth Proportional to 7,354.32, 10,147.77 and 4,210.53

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Solution

The fourth proportional to 7,354.32, 10,147.77 and 4,210.53 is: 5,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.32 : 10,147.77 = 4,210.53 : x
  2. Step 2: Convert to fraction form
    7,354.32/10,147.77 = 4,210.53/x
  3. Step 3: Cross multiply
    7,354.32x = 10,147.77 × 4,210.53
  4. Step 4: Simplify right side
    7,354.32x = 42,727,490.02
  5. Step 5: Solve for x
    x = 42,727,490.02/7,354.32
  6. Step 6: Final answer
    x = 5,809.85

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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.