Home / 9,328.32-13,988.40-4,944.78

Finding the Fourth Proportional to 9,328.32, 13,988.40 and 4,944.78

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Solution

The fourth proportional to 9,328.32, 13,988.40 and 4,944.78 is: 7,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.32 : 13,988.40 = 4,944.78 : x
  2. Step 2: Convert to fraction form
    9,328.32/13,988.40 = 4,944.78/x
  3. Step 3: Cross multiply
    9,328.32x = 13,988.40 × 4,944.78
  4. Step 4: Simplify right side
    9,328.32x = 69,169,560.55
  5. Step 5: Solve for x
    x = 69,169,560.55/9,328.32
  6. Step 6: Final answer
    x = 7,415.01

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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.