Home / 7,419.12-10,239.51-4,232.40

Finding the Fourth Proportional to 7,419.12, 10,239.51 and 4,232.40

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Solution

The fourth proportional to 7,419.12, 10,239.51 and 4,232.40 is: 5,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.12 : 10,239.51 = 4,232.40 : x
  2. Step 2: Convert to fraction form
    7,419.12/10,239.51 = 4,232.40/x
  3. Step 3: Cross multiply
    7,419.12x = 10,239.51 × 4,232.40
  4. Step 4: Simplify right side
    7,419.12x = 43,337,702.12
  5. Step 5: Solve for x
    x = 43,337,702.12/7,419.12
  6. Step 6: Final answer
    x = 5,841.35

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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.