Home / 8,242.40-11,378.45-4,704.93

Finding the Fourth Proportional to 8,242.40, 11,378.45 and 4,704.93

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Solution

The fourth proportional to 8,242.40, 11,378.45 and 4,704.93 is: 6,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.40 : 11,378.45 = 4,704.93 : x
  2. Step 2: Convert to fraction form
    8,242.40/11,378.45 = 4,704.93/x
  3. Step 3: Cross multiply
    8,242.40x = 11,378.45 × 4,704.93
  4. Step 4: Simplify right side
    8,242.40x = 53,534,787.23
  5. Step 5: Solve for x
    x = 53,534,787.23/8,242.40
  6. Step 6: Final answer
    x = 6,495.05

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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.