Home / 4,959.14-6,842.40-2,970.50

Finding the Fourth Proportional to 4,959.14, 6,842.40 and 2,970.50

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Solution

The fourth proportional to 4,959.14, 6,842.40 and 2,970.50 is: 4,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.14 : 6,842.40 = 2,970.50 : x
  2. Step 2: Convert to fraction form
    4,959.14/6,842.40 = 2,970.50/x
  3. Step 3: Cross multiply
    4,959.14x = 6,842.40 × 2,970.50
  4. Step 4: Simplify right side
    4,959.14x = 20,325,349.20
  5. Step 5: Solve for x
    x = 20,325,349.20/4,959.14
  6. Step 6: Final answer
    x = 4,098.56

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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.