Home / 7,458.48-10,290.78-4,475.52

Finding the Fourth Proportional to 7,458.48, 10,290.78 and 4,475.52

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Solution

The fourth proportional to 7,458.48, 10,290.78 and 4,475.52 is: 6,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.48 : 10,290.78 = 4,475.52 : x
  2. Step 2: Convert to fraction form
    7,458.48/10,290.78 = 4,475.52/x
  3. Step 3: Cross multiply
    7,458.48x = 10,290.78 × 4,475.52
  4. Step 4: Simplify right side
    7,458.48x = 46,056,591.71
  5. Step 5: Solve for x
    x = 46,056,591.71/7,458.48
  6. Step 6: Final answer
    x = 6,175.06

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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.