Home / 8,302.78-11,458.50-4,767.13

Finding the Fourth Proportional to 8,302.78, 11,458.50 and 4,767.13

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Solution

The fourth proportional to 8,302.78, 11,458.50 and 4,767.13 is: 6,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.78 : 11,458.50 = 4,767.13 : x
  2. Step 2: Convert to fraction form
    8,302.78/11,458.50 = 4,767.13/x
  3. Step 3: Cross multiply
    8,302.78x = 11,458.50 × 4,767.13
  4. Step 4: Simplify right side
    8,302.78x = 54,624,159.11
  5. Step 5: Solve for x
    x = 54,624,159.11/8,302.78
  6. Step 6: Final answer
    x = 6,579.02

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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.