Home / 6,530.32-9,011.40-3,734.80

Finding the Fourth Proportional to 6,530.32, 9,011.40 and 3,734.80

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Solution

The fourth proportional to 6,530.32, 9,011.40 and 3,734.80 is: 5,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.32 : 9,011.40 = 3,734.80 : x
  2. Step 2: Convert to fraction form
    6,530.32/9,011.40 = 3,734.80/x
  3. Step 3: Cross multiply
    6,530.32x = 9,011.40 × 3,734.80
  4. Step 4: Simplify right side
    6,530.32x = 33,655,776.72
  5. Step 5: Solve for x
    x = 33,655,776.72/6,530.32
  6. Step 6: Final answer
    x = 5,153.77

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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.