Home / 7,439.81-10,267.25-4,253.63

Finding the Fourth Proportional to 7,439.81, 10,267.25 and 4,253.63

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Solution

The fourth proportional to 7,439.81, 10,267.25 and 4,253.63 is: 5,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.81 : 10,267.25 = 4,253.63 : x
  2. Step 2: Convert to fraction form
    7,439.81/10,267.25 = 4,253.63/x
  3. Step 3: Cross multiply
    7,439.81x = 10,267.25 × 4,253.63
  4. Step 4: Simplify right side
    7,439.81x = 43,673,010.01
  5. Step 5: Solve for x
    x = 43,673,010.01/7,439.81
  6. Step 6: Final answer
    x = 5,870.18

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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.