Home / 6,644.40-9,966.60-5,587.35

Finding the Fourth Proportional to 6,644.40, 9,966.60 and 5,587.35

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Solution

The fourth proportional to 6,644.40, 9,966.60 and 5,587.35 is: 8,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.40 : 9,966.60 = 5,587.35 : x
  2. Step 2: Convert to fraction form
    6,644.40/9,966.60 = 5,587.35/x
  3. Step 3: Cross multiply
    6,644.40x = 9,966.60 × 5,587.35
  4. Step 4: Simplify right side
    6,644.40x = 55,686,882.51
  5. Step 5: Solve for x
    x = 55,686,882.51/6,644.40
  6. Step 6: Final answer
    x = 8,381.03

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.