Home / 9,127.54-12,595.95-4,935.78

Finding the Fourth Proportional to 9,127.54, 12,595.95 and 4,935.78

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Solution

The fourth proportional to 9,127.54, 12,595.95 and 4,935.78 is: 6,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.54 : 12,595.95 = 4,935.78 : x
  2. Step 2: Convert to fraction form
    9,127.54/12,595.95 = 4,935.78/x
  3. Step 3: Cross multiply
    9,127.54x = 12,595.95 × 4,935.78
  4. Step 4: Simplify right side
    9,127.54x = 62,170,838.09
  5. Step 5: Solve for x
    x = 62,170,838.09/9,127.54
  6. Step 6: Final answer
    x = 6,811.35

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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.