Home / 7,855.17-10,840.14-4,318.44

Finding the Fourth Proportional to 7,855.17, 10,840.14 and 4,318.44

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Solution

The fourth proportional to 7,855.17, 10,840.14 and 4,318.44 is: 5,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.17 : 10,840.14 = 4,318.44 : x
  2. Step 2: Convert to fraction form
    7,855.17/10,840.14 = 4,318.44/x
  3. Step 3: Cross multiply
    7,855.17x = 10,840.14 × 4,318.44
  4. Step 4: Simplify right side
    7,855.17x = 46,812,494.18
  5. Step 5: Solve for x
    x = 46,812,494.18/7,855.17
  6. Step 6: Final answer
    x = 5,959.45

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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.