Home / 8,899.74-13,373.85-4,742.72

Finding the Fourth Proportional to 8,899.74, 13,373.85 and 4,742.72

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Solution

The fourth proportional to 8,899.74, 13,373.85 and 4,742.72 is: 7,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.74 : 13,373.85 = 4,742.72 : x
  2. Step 2: Convert to fraction form
    8,899.74/13,373.85 = 4,742.72/x
  3. Step 3: Cross multiply
    8,899.74x = 13,373.85 × 4,742.72
  4. Step 4: Simplify right side
    8,899.74x = 63,428,376.79
  5. Step 5: Solve for x
    x = 63,428,376.79/8,899.74
  6. Step 6: Final answer
    x = 7,127.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.