Home / 6,973.68-9,623.28-3,948.72

Finding the Fourth Proportional to 6,973.68, 9,623.28 and 3,948.72

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Solution

The fourth proportional to 6,973.68, 9,623.28 and 3,948.72 is: 5,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.68 : 9,623.28 = 3,948.72 : x
  2. Step 2: Convert to fraction form
    6,973.68/9,623.28 = 3,948.72/x
  3. Step 3: Cross multiply
    6,973.68x = 9,623.28 × 3,948.72
  4. Step 4: Simplify right side
    6,973.68x = 37,999,638.20
  5. Step 5: Solve for x
    x = 37,999,638.20/6,973.68
  6. Step 6: Final answer
    x = 5,449.01

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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.