Home / 5,603.59-8,387.01-4,122.40

Finding the Fourth Proportional to 5,603.59, 8,387.01 and 4,122.40

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Solution

The fourth proportional to 5,603.59, 8,387.01 and 4,122.40 is: 6,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.59 : 8,387.01 = 4,122.40 : x
  2. Step 2: Convert to fraction form
    5,603.59/8,387.01 = 4,122.40/x
  3. Step 3: Cross multiply
    5,603.59x = 8,387.01 × 4,122.40
  4. Step 4: Simplify right side
    5,603.59x = 34,574,610.02
  5. Step 5: Solve for x
    x = 34,574,610.02/5,603.59
  6. Step 6: Final answer
    x = 6,170.08

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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.