Home / 7,948.30-10,973.60-5,116.74

Finding the Fourth Proportional to 7,948.30, 10,973.60 and 5,116.74

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Solution

The fourth proportional to 7,948.30, 10,973.60 and 5,116.74 is: 7,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.30 : 10,973.60 = 5,116.74 : x
  2. Step 2: Convert to fraction form
    7,948.30/10,973.60 = 5,116.74/x
  3. Step 3: Cross multiply
    7,948.30x = 10,973.60 × 5,116.74
  4. Step 4: Simplify right side
    7,948.30x = 56,149,058.06
  5. Step 5: Solve for x
    x = 56,149,058.06/7,948.30
  6. Step 6: Final answer
    x = 7,064.29

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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.