Home / 7,015.74-9,677.52-5,125.01

Finding the Fourth Proportional to 7,015.74, 9,677.52 and 5,125.01

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Solution

The fourth proportional to 7,015.74, 9,677.52 and 5,125.01 is: 7,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.74 : 9,677.52 = 5,125.01 : x
  2. Step 2: Convert to fraction form
    7,015.74/9,677.52 = 5,125.01/x
  3. Step 3: Cross multiply
    7,015.74x = 9,677.52 × 5,125.01
  4. Step 4: Simplify right side
    7,015.74x = 49,597,398.12
  5. Step 5: Solve for x
    x = 49,597,398.12/7,015.74
  6. Step 6: Final answer
    x = 7,069.44

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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.