Home / 8,617.64-11,888.34-5,257.76

Finding the Fourth Proportional to 8,617.64, 11,888.34 and 5,257.76

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Solution

The fourth proportional to 8,617.64, 11,888.34 and 5,257.76 is: 7,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.64 : 11,888.34 = 5,257.76 : x
  2. Step 2: Convert to fraction form
    8,617.64/11,888.34 = 5,257.76/x
  3. Step 3: Cross multiply
    8,617.64x = 11,888.34 × 5,257.76
  4. Step 4: Simplify right side
    8,617.64x = 62,506,038.52
  5. Step 5: Solve for x
    x = 62,506,038.52/8,617.64
  6. Step 6: Final answer
    x = 7,253.27

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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.