Home / 7,390.46-10,200.58-4,248.47

Finding the Fourth Proportional to 7,390.46, 10,200.58 and 4,248.47

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Solution

The fourth proportional to 7,390.46, 10,200.58 and 4,248.47 is: 5,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.46 : 10,200.58 = 4,248.47 : x
  2. Step 2: Convert to fraction form
    7,390.46/10,200.58 = 4,248.47/x
  3. Step 3: Cross multiply
    7,390.46x = 10,200.58 × 4,248.47
  4. Step 4: Simplify right side
    7,390.46x = 43,336,807.11
  5. Step 5: Solve for x
    x = 43,336,807.11/7,390.46
  6. Step 6: Final answer
    x = 5,863.89

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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.