Home / 8,277.80-11,426.82-5,487.08

Finding the Fourth Proportional to 8,277.80, 11,426.82 and 5,487.08

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Solution

The fourth proportional to 8,277.80, 11,426.82 and 5,487.08 is: 7,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.80 : 11,426.82 = 5,487.08 : x
  2. Step 2: Convert to fraction form
    8,277.80/11,426.82 = 5,487.08/x
  3. Step 3: Cross multiply
    8,277.80x = 11,426.82 × 5,487.08
  4. Step 4: Simplify right side
    8,277.80x = 62,699,875.49
  5. Step 5: Solve for x
    x = 62,699,875.49/8,277.80
  6. Step 6: Final answer
    x = 7,574.46

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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.