Home / 6,723.12-9,278.92-4,840.92

Finding the Fourth Proportional to 6,723.12, 9,278.92 and 4,840.92

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Solution

The fourth proportional to 6,723.12, 9,278.92 and 4,840.92 is: 6,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.12 : 9,278.92 = 4,840.92 : x
  2. Step 2: Convert to fraction form
    6,723.12/9,278.92 = 4,840.92/x
  3. Step 3: Cross multiply
    6,723.12x = 9,278.92 × 4,840.92
  4. Step 4: Simplify right side
    6,723.12x = 44,918,509.41
  5. Step 5: Solve for x
    x = 44,918,509.41/6,723.12
  6. Step 6: Final answer
    x = 6,681.20

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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.