Home / 7,455.30-10,288.33-4,098.45

Finding the Fourth Proportional to 7,455.30, 10,288.33 and 4,098.45

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Solution

The fourth proportional to 7,455.30, 10,288.33 and 4,098.45 is: 5,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.30 : 10,288.33 = 4,098.45 : x
  2. Step 2: Convert to fraction form
    7,455.30/10,288.33 = 4,098.45/x
  3. Step 3: Cross multiply
    7,455.30x = 10,288.33 × 4,098.45
  4. Step 4: Simplify right side
    7,455.30x = 42,166,206.09
  5. Step 5: Solve for x
    x = 42,166,206.09/7,455.30
  6. Step 6: Final answer
    x = 5,655.87

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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.