Home / 7,207.18-9,944.40-4,376.05

Finding the Fourth Proportional to 7,207.18, 9,944.40 and 4,376.05

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Solution

The fourth proportional to 7,207.18, 9,944.40 and 4,376.05 is: 6,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.18 : 9,944.40 = 4,376.05 : x
  2. Step 2: Convert to fraction form
    7,207.18/9,944.40 = 4,376.05/x
  3. Step 3: Cross multiply
    7,207.18x = 9,944.40 × 4,376.05
  4. Step 4: Simplify right side
    7,207.18x = 43,517,191.62
  5. Step 5: Solve for x
    x = 43,517,191.62/7,207.18
  6. Step 6: Final answer
    x = 6,038.03

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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.