Home / 4,987.24-7,476.90-3,423.40

Finding the Fourth Proportional to 4,987.24, 7,476.90 and 3,423.40

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Solution

The fourth proportional to 4,987.24, 7,476.90 and 3,423.40 is: 5,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.24 : 7,476.90 = 3,423.40 : x
  2. Step 2: Convert to fraction form
    4,987.24/7,476.90 = 3,423.40/x
  3. Step 3: Cross multiply
    4,987.24x = 7,476.90 × 3,423.40
  4. Step 4: Simplify right side
    4,987.24x = 25,596,419.46
  5. Step 5: Solve for x
    x = 25,596,419.46/4,987.24
  6. Step 6: Final answer
    x = 5,132.38

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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.