Home / 7,167.61-9,881.88-4,925.35

Finding the Fourth Proportional to 7,167.61, 9,881.88 and 4,925.35

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Solution

The fourth proportional to 7,167.61, 9,881.88 and 4,925.35 is: 6,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.61 : 9,881.88 = 4,925.35 : x
  2. Step 2: Convert to fraction form
    7,167.61/9,881.88 = 4,925.35/x
  3. Step 3: Cross multiply
    7,167.61x = 9,881.88 × 4,925.35
  4. Step 4: Simplify right side
    7,167.61x = 48,671,717.66
  5. Step 5: Solve for x
    x = 48,671,717.66/7,167.61
  6. Step 6: Final answer
    x = 6,790.51

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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.