Home / 7,436.61-11,154.21-2,756.63

Finding the Fourth Proportional to 7,436.61, 11,154.21 and 2,756.63

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Solution

The fourth proportional to 7,436.61, 11,154.21 and 2,756.63 is: 4,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.61 : 11,154.21 = 2,756.63 : x
  2. Step 2: Convert to fraction form
    7,436.61/11,154.21 = 2,756.63/x
  3. Step 3: Cross multiply
    7,436.61x = 11,154.21 × 2,756.63
  4. Step 4: Simplify right side
    7,436.61x = 30,748,047.46
  5. Step 5: Solve for x
    x = 30,748,047.46/7,436.61
  6. Step 6: Final answer
    x = 4,134.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.