Home / 8,390.01-11,577.25-6,710.81

Finding the Fourth Proportional to 8,390.01, 11,577.25 and 6,710.81

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Solution

The fourth proportional to 8,390.01, 11,577.25 and 6,710.81 is: 9,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.01 : 11,577.25 = 6,710.81 : x
  2. Step 2: Convert to fraction form
    8,390.01/11,577.25 = 6,710.81/x
  3. Step 3: Cross multiply
    8,390.01x = 11,577.25 × 6,710.81
  4. Step 4: Simplify right side
    8,390.01x = 77,692,725.07
  5. Step 5: Solve for x
    x = 77,692,725.07/8,390.01
  6. Step 6: Final answer
    x = 9,260.15

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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.