Home / 9,116.76-12,581.12-4,925.01

Finding the Fourth Proportional to 9,116.76, 12,581.12 and 4,925.01

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Solution

The fourth proportional to 9,116.76, 12,581.12 and 4,925.01 is: 6,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.76 : 12,581.12 = 4,925.01 : x
  2. Step 2: Convert to fraction form
    9,116.76/12,581.12 = 4,925.01/x
  3. Step 3: Cross multiply
    9,116.76x = 12,581.12 × 4,925.01
  4. Step 4: Simplify right side
    9,116.76x = 61,962,130.53
  5. Step 5: Solve for x
    x = 61,962,130.53/9,116.76
  6. Step 6: Final answer
    x = 6,796.51

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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.