Home / 7,373.12-10,173.36-4,387.88

Finding the Fourth Proportional to 7,373.12, 10,173.36 and 4,387.88

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Solution

The fourth proportional to 7,373.12, 10,173.36 and 4,387.88 is: 6,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.12 : 10,173.36 = 4,387.88 : x
  2. Step 2: Convert to fraction form
    7,373.12/10,173.36 = 4,387.88/x
  3. Step 3: Cross multiply
    7,373.12x = 10,173.36 × 4,387.88
  4. Step 4: Simplify right side
    7,373.12x = 44,639,482.88
  5. Step 5: Solve for x
    x = 44,639,482.88/7,373.12
  6. Step 6: Final answer
    x = 6,054.35

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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.