Home / 7,253.87-10,011.15-4,270.45

Finding the Fourth Proportional to 7,253.87, 10,011.15 and 4,270.45

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Solution

The fourth proportional to 7,253.87, 10,011.15 and 4,270.45 is: 5,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.87 : 10,011.15 = 4,270.45 : x
  2. Step 2: Convert to fraction form
    7,253.87/10,011.15 = 4,270.45/x
  3. Step 3: Cross multiply
    7,253.87x = 10,011.15 × 4,270.45
  4. Step 4: Simplify right side
    7,253.87x = 42,752,065.46
  5. Step 5: Solve for x
    x = 42,752,065.46/7,253.87
  6. Step 6: Final answer
    x = 5,893.69

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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.