Home / 7,455.81-10,288.49-4,098.54

Finding the Fourth Proportional to 7,455.81, 10,288.49 and 4,098.54

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Solution

The fourth proportional to 7,455.81, 10,288.49 and 4,098.54 is: 5,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.81 : 10,288.49 = 4,098.54 : x
  2. Step 2: Convert to fraction form
    7,455.81/10,288.49 = 4,098.54/x
  3. Step 3: Cross multiply
    7,455.81x = 10,288.49 × 4,098.54
  4. Step 4: Simplify right side
    7,455.81x = 42,167,787.80
  5. Step 5: Solve for x
    x = 42,167,787.80/7,455.81
  6. Step 6: Final answer
    x = 5,655.70

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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.