Home / 7,069.50-9,756.23-3,925.70

Finding the Fourth Proportional to 7,069.50, 9,756.23 and 3,925.70

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Solution

The fourth proportional to 7,069.50, 9,756.23 and 3,925.70 is: 5,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.50 : 9,756.23 = 3,925.70 : x
  2. Step 2: Convert to fraction form
    7,069.50/9,756.23 = 3,925.70/x
  3. Step 3: Cross multiply
    7,069.50x = 9,756.23 × 3,925.70
  4. Step 4: Simplify right side
    7,069.50x = 38,299,963.70
  5. Step 5: Solve for x
    x = 38,299,963.70/7,069.50
  6. Step 6: Final answer
    x = 5,417.63

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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.