Home / 8,253.34-11,390.40-4,715.87

Finding the Fourth Proportional to 8,253.34, 11,390.40 and 4,715.87

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Solution

The fourth proportional to 8,253.34, 11,390.40 and 4,715.87 is: 6,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.34 : 11,390.40 = 4,715.87 : x
  2. Step 2: Convert to fraction form
    8,253.34/11,390.40 = 4,715.87/x
  3. Step 3: Cross multiply
    8,253.34x = 11,390.40 × 4,715.87
  4. Step 4: Simplify right side
    8,253.34x = 53,715,588.70
  5. Step 5: Solve for x
    x = 53,715,588.70/8,253.34
  6. Step 6: Final answer
    x = 6,508.35

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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.