Home / 8,788.05-12,145.01-6,557.31

Finding the Fourth Proportional to 8,788.05, 12,145.01 and 6,557.31

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Solution

The fourth proportional to 8,788.05, 12,145.01 and 6,557.31 is: 9,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.05 : 12,145.01 = 6,557.31 : x
  2. Step 2: Convert to fraction form
    8,788.05/12,145.01 = 6,557.31/x
  3. Step 3: Cross multiply
    8,788.05x = 12,145.01 × 6,557.31
  4. Step 4: Simplify right side
    8,788.05x = 79,638,562.74
  5. Step 5: Solve for x
    x = 79,638,562.74/8,788.05
  6. Step 6: Final answer
    x = 9,062.14

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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.