Home / 5,459.80-7,528.57-3,688.33

Finding the Fourth Proportional to 5,459.80, 7,528.57 and 3,688.33

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Solution

The fourth proportional to 5,459.80, 7,528.57 and 3,688.33 is: 5,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.80 : 7,528.57 = 3,688.33 : x
  2. Step 2: Convert to fraction form
    5,459.80/7,528.57 = 3,688.33/x
  3. Step 3: Cross multiply
    5,459.80x = 7,528.57 × 3,688.33
  4. Step 4: Simplify right side
    5,459.80x = 27,767,850.59
  5. Step 5: Solve for x
    x = 27,767,850.59/5,459.80
  6. Step 6: Final answer
    x = 5,085.87

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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.