Home / 7,505.30-10,356.80-4,148.06

Finding the Fourth Proportional to 7,505.30, 10,356.80 and 4,148.06

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Solution

The fourth proportional to 7,505.30, 10,356.80 and 4,148.06 is: 5,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.30 : 10,356.80 = 4,148.06 : x
  2. Step 2: Convert to fraction form
    7,505.30/10,356.80 = 4,148.06/x
  3. Step 3: Cross multiply
    7,505.30x = 10,356.80 × 4,148.06
  4. Step 4: Simplify right side
    7,505.30x = 42,960,555.28
  5. Step 5: Solve for x
    x = 42,960,555.28/7,505.30
  6. Step 6: Final answer
    x = 5,724.03

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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.