Home / 7,390.40-10,191.96-5,506.64

Finding the Fourth Proportional to 7,390.40, 10,191.96 and 5,506.64

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Solution

The fourth proportional to 7,390.40, 10,191.96 and 5,506.64 is: 7,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.40 : 10,191.96 = 5,506.64 : x
  2. Step 2: Convert to fraction form
    7,390.40/10,191.96 = 5,506.64/x
  3. Step 3: Cross multiply
    7,390.40x = 10,191.96 × 5,506.64
  4. Step 4: Simplify right side
    7,390.40x = 56,123,454.61
  5. Step 5: Solve for x
    x = 56,123,454.61/7,390.40
  6. Step 6: Final answer
    x = 7,594.10

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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.