Home / 7,637.28-10,539.90-4,493.70

Finding the Fourth Proportional to 7,637.28, 10,539.90 and 4,493.70

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Solution

The fourth proportional to 7,637.28, 10,539.90 and 4,493.70 is: 6,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.28 : 10,539.90 = 4,493.70 : x
  2. Step 2: Convert to fraction form
    7,637.28/10,539.90 = 4,493.70/x
  3. Step 3: Cross multiply
    7,637.28x = 10,539.90 × 4,493.70
  4. Step 4: Simplify right side
    7,637.28x = 47,363,148.63
  5. Step 5: Solve for x
    x = 47,363,148.63/7,637.28
  6. Step 6: Final answer
    x = 6,201.57

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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.