Home / 8,878.57-13,326.64-4,718.59

Finding the Fourth Proportional to 8,878.57, 13,326.64 and 4,718.59

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Solution

The fourth proportional to 8,878.57, 13,326.64 and 4,718.59 is: 7,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.57 : 13,326.64 = 4,718.59 : x
  2. Step 2: Convert to fraction form
    8,878.57/13,326.64 = 4,718.59/x
  3. Step 3: Cross multiply
    8,878.57x = 13,326.64 × 4,718.59
  4. Step 4: Simplify right side
    8,878.57x = 62,882,905.12
  5. Step 5: Solve for x
    x = 62,882,905.12/8,878.57
  6. Step 6: Final answer
    x = 7,082.55

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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.