Home / 9,118-12,582.85-4,926.25

Finding the Fourth Proportional to 9,118, 12,582.85 and 4,926.25

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Solution

The fourth proportional to 9,118, 12,582.85 and 4,926.25 is: 6,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118 : 12,582.85 = 4,926.25 : x
  2. Step 2: Convert to fraction form
    9,118/12,582.85 = 4,926.25/x
  3. Step 3: Cross multiply
    9,118x = 12,582.85 × 4,926.25
  4. Step 4: Simplify right side
    9,118x = 61,986,264.81
  5. Step 5: Solve for x
    x = 61,986,264.81/9,118
  6. Step 6: Final answer
    x = 6,798.23

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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.