Home / 7,918.04-10,925.60-4,380.57

Finding the Fourth Proportional to 7,918.04, 10,925.60 and 4,380.57

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Solution

The fourth proportional to 7,918.04, 10,925.60 and 4,380.57 is: 6,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.04 : 10,925.60 = 4,380.57 : x
  2. Step 2: Convert to fraction form
    7,918.04/10,925.60 = 4,380.57/x
  3. Step 3: Cross multiply
    7,918.04x = 10,925.60 × 4,380.57
  4. Step 4: Simplify right side
    7,918.04x = 47,860,333.69
  5. Step 5: Solve for x
    x = 47,860,333.69/7,918.04
  6. Step 6: Final answer
    x = 6,044.47

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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.