Home / 7,454.81-10,287.11-4,097.54

Finding the Fourth Proportional to 7,454.81, 10,287.11 and 4,097.54

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Solution

The fourth proportional to 7,454.81, 10,287.11 and 4,097.54 is: 5,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.81 : 10,287.11 = 4,097.54 : x
  2. Step 2: Convert to fraction form
    7,454.81/10,287.11 = 4,097.54/x
  3. Step 3: Cross multiply
    7,454.81x = 10,287.11 × 4,097.54
  4. Step 4: Simplify right side
    7,454.81x = 42,151,803.52
  5. Step 5: Solve for x
    x = 42,151,803.52/7,454.81
  6. Step 6: Final answer
    x = 5,654.31

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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.