Home / 7,458.48-10,290.24-4,312.44

Finding the Fourth Proportional to 7,458.48, 10,290.24 and 4,312.44

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Solution

The fourth proportional to 7,458.48, 10,290.24 and 4,312.44 is: 5,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.48 : 10,290.24 = 4,312.44 : x
  2. Step 2: Convert to fraction form
    7,458.48/10,290.24 = 4,312.44/x
  3. Step 3: Cross multiply
    7,458.48x = 10,290.24 × 4,312.44
  4. Step 4: Simplify right side
    7,458.48x = 44,376,042.59
  5. Step 5: Solve for x
    x = 44,376,042.59/7,458.48
  6. Step 6: Final answer
    x = 5,949.74

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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.