Home / 7,448.02-10,278.28-4,304.21

Finding the Fourth Proportional to 7,448.02, 10,278.28 and 4,304.21

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Solution

The fourth proportional to 7,448.02, 10,278.28 and 4,304.21 is: 5,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.02 : 10,278.28 = 4,304.21 : x
  2. Step 2: Convert to fraction form
    7,448.02/10,278.28 = 4,304.21/x
  3. Step 3: Cross multiply
    7,448.02x = 10,278.28 × 4,304.21
  4. Step 4: Simplify right side
    7,448.02x = 44,239,875.56
  5. Step 5: Solve for x
    x = 44,239,875.56/7,448.02
  6. Step 6: Final answer
    x = 5,939.82

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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.