Home / 7,478.67-10,320.48-4,334.79

Finding the Fourth Proportional to 7,478.67, 10,320.48 and 4,334.79

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Solution

The fourth proportional to 7,478.67, 10,320.48 and 4,334.79 is: 5,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.67 : 10,320.48 = 4,334.79 : x
  2. Step 2: Convert to fraction form
    7,478.67/10,320.48 = 4,334.79/x
  3. Step 3: Cross multiply
    7,478.67x = 10,320.48 × 4,334.79
  4. Step 4: Simplify right side
    7,478.67x = 44,737,113.50
  5. Step 5: Solve for x
    x = 44,737,113.50/7,478.67
  6. Step 6: Final answer
    x = 5,981.96

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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.