Home / 5,718.07-7,888.08-4,930.75

Finding the Fourth Proportional to 5,718.07, 7,888.08 and 4,930.75

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Solution

The fourth proportional to 5,718.07, 7,888.08 and 4,930.75 is: 6,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.07 : 7,888.08 = 4,930.75 : x
  2. Step 2: Convert to fraction form
    5,718.07/7,888.08 = 4,930.75/x
  3. Step 3: Cross multiply
    5,718.07x = 7,888.08 × 4,930.75
  4. Step 4: Simplify right side
    5,718.07x = 38,894,150.46
  5. Step 5: Solve for x
    x = 38,894,150.46/5,718.07
  6. Step 6: Final answer
    x = 6,801.97

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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.