Home / 7,278.93-10,048.04-5,013.45

Finding the Fourth Proportional to 7,278.93, 10,048.04 and 5,013.45

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Solution

The fourth proportional to 7,278.93, 10,048.04 and 5,013.45 is: 6,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.93 : 10,048.04 = 5,013.45 : x
  2. Step 2: Convert to fraction form
    7,278.93/10,048.04 = 5,013.45/x
  3. Step 3: Cross multiply
    7,278.93x = 10,048.04 × 5,013.45
  4. Step 4: Simplify right side
    7,278.93x = 50,375,270.83
  5. Step 5: Solve for x
    x = 50,375,270.83/7,278.93
  6. Step 6: Final answer
    x = 6,920.70

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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.