Home / 7,283.40-10,919.70-4,937.55

Finding the Fourth Proportional to 7,283.40, 10,919.70 and 4,937.55

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Solution

The fourth proportional to 7,283.40, 10,919.70 and 4,937.55 is: 7,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.40 : 10,919.70 = 4,937.55 : x
  2. Step 2: Convert to fraction form
    7,283.40/10,919.70 = 4,937.55/x
  3. Step 3: Cross multiply
    7,283.40x = 10,919.70 × 4,937.55
  4. Step 4: Simplify right side
    7,283.40x = 53,916,564.74
  5. Step 5: Solve for x
    x = 53,916,564.74/7,283.40
  6. Step 6: Final answer
    x = 7,402.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.