Home / 4,948.92-6,830.12-3,061.40

Finding the Fourth Proportional to 4,948.92, 6,830.12 and 3,061.40

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Solution

The fourth proportional to 4,948.92, 6,830.12 and 3,061.40 is: 4,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.92 : 6,830.12 = 3,061.40 : x
  2. Step 2: Convert to fraction form
    4,948.92/6,830.12 = 3,061.40/x
  3. Step 3: Cross multiply
    4,948.92x = 6,830.12 × 3,061.40
  4. Step 4: Simplify right side
    4,948.92x = 20,909,729.37
  5. Step 5: Solve for x
    x = 20,909,729.37/4,948.92
  6. Step 6: Final answer
    x = 4,225.11

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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.