Home / 5,325.81-7,988.72-2,400.71

Finding the Fourth Proportional to 5,325.81, 7,988.72 and 2,400.71

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Solution

The fourth proportional to 5,325.81, 7,988.72 and 2,400.71 is: 3,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.81 : 7,988.72 = 2,400.71 : x
  2. Step 2: Convert to fraction form
    5,325.81/7,988.72 = 2,400.71/x
  3. Step 3: Cross multiply
    5,325.81x = 7,988.72 × 2,400.71
  4. Step 4: Simplify right side
    5,325.81x = 19,178,548.04
  5. Step 5: Solve for x
    x = 19,178,548.04/5,325.81
  6. Step 6: Final answer
    x = 3,601.06

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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.