Home / 7,298.18-10,067.88-4,312.57

Finding the Fourth Proportional to 7,298.18, 10,067.88 and 4,312.57

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Solution

The fourth proportional to 7,298.18, 10,067.88 and 4,312.57 is: 5,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.18 : 10,067.88 = 4,312.57 : x
  2. Step 2: Convert to fraction form
    7,298.18/10,067.88 = 4,312.57/x
  3. Step 3: Cross multiply
    7,298.18x = 10,067.88 × 4,312.57
  4. Step 4: Simplify right side
    7,298.18x = 43,418,437.25
  5. Step 5: Solve for x
    x = 43,418,437.25/7,298.18
  6. Step 6: Final answer
    x = 5,949.21

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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.