Home / 7,748.99-10,689.85-4,602.95

Finding the Fourth Proportional to 7,748.99, 10,689.85 and 4,602.95

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Solution

The fourth proportional to 7,748.99, 10,689.85 and 4,602.95 is: 6,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.99 : 10,689.85 = 4,602.95 : x
  2. Step 2: Convert to fraction form
    7,748.99/10,689.85 = 4,602.95/x
  3. Step 3: Cross multiply
    7,748.99x = 10,689.85 × 4,602.95
  4. Step 4: Simplify right side
    7,748.99x = 49,204,877.54
  5. Step 5: Solve for x
    x = 49,204,877.54/7,748.99
  6. Step 6: Final answer
    x = 6,349.84

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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.