Home / 7,069.32-9,756.48-3,925.70

Finding the Fourth Proportional to 7,069.32, 9,756.48 and 3,925.70

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Solution

The fourth proportional to 7,069.32, 9,756.48 and 3,925.70 is: 5,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.32 : 9,756.48 = 3,925.70 : x
  2. Step 2: Convert to fraction form
    7,069.32/9,756.48 = 3,925.70/x
  3. Step 3: Cross multiply
    7,069.32x = 9,756.48 × 3,925.70
  4. Step 4: Simplify right side
    7,069.32x = 38,301,013.54
  5. Step 5: Solve for x
    x = 38,301,013.54/7,069.32
  6. Step 6: Final answer
    x = 5,417.92

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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.