Home / 5,280.69-7,284.16-3,488.19

Finding the Fourth Proportional to 5,280.69, 7,284.16 and 3,488.19

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Solution

The fourth proportional to 5,280.69, 7,284.16 and 3,488.19 is: 4,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.69 : 7,284.16 = 3,488.19 : x
  2. Step 2: Convert to fraction form
    5,280.69/7,284.16 = 3,488.19/x
  3. Step 3: Cross multiply
    5,280.69x = 7,284.16 × 3,488.19
  4. Step 4: Simplify right side
    5,280.69x = 25,408,534.07
  5. Step 5: Solve for x
    x = 25,408,534.07/5,280.69
  6. Step 6: Final answer
    x = 4,811.59

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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.