Home / 7,501.80-11,220.30-6,335.40

Finding the Fourth Proportional to 7,501.80, 11,220.30 and 6,335.40

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Solution

The fourth proportional to 7,501.80, 11,220.30 and 6,335.40 is: 9,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.80 : 11,220.30 = 6,335.40 : x
  2. Step 2: Convert to fraction form
    7,501.80/11,220.30 = 6,335.40/x
  3. Step 3: Cross multiply
    7,501.80x = 11,220.30 × 6,335.40
  4. Step 4: Simplify right side
    7,501.80x = 71,085,088.62
  5. Step 5: Solve for x
    x = 71,085,088.62/7,501.80
  6. Step 6: Final answer
    x = 9,475.74

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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.