Home / 7,855.30-10,839.18-4,497.58

Finding the Fourth Proportional to 7,855.30, 10,839.18 and 4,497.58

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Solution

The fourth proportional to 7,855.30, 10,839.18 and 4,497.58 is: 6,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.30 : 10,839.18 = 4,497.58 : x
  2. Step 2: Convert to fraction form
    7,855.30/10,839.18 = 4,497.58/x
  3. Step 3: Cross multiply
    7,855.30x = 10,839.18 × 4,497.58
  4. Step 4: Simplify right side
    7,855.30x = 48,750,079.18
  5. Step 5: Solve for x
    x = 48,750,079.18/7,855.30
  6. Step 6: Final answer
    x = 6,206.01

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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.