Home / 4,731.04-6,531.06-3,140.20

Finding the Fourth Proportional to 4,731.04, 6,531.06 and 3,140.20

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Solution

The fourth proportional to 4,731.04, 6,531.06 and 3,140.20 is: 4,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.04 : 6,531.06 = 3,140.20 : x
  2. Step 2: Convert to fraction form
    4,731.04/6,531.06 = 3,140.20/x
  3. Step 3: Cross multiply
    4,731.04x = 6,531.06 × 3,140.20
  4. Step 4: Simplify right side
    4,731.04x = 20,508,834.61
  5. Step 5: Solve for x
    x = 20,508,834.61/4,731.04
  6. Step 6: Final answer
    x = 4,334.95

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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.