Home / 7,015.90-10,538.43-5,565.19

Finding the Fourth Proportional to 7,015.90, 10,538.43 and 5,565.19

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Solution

The fourth proportional to 7,015.90, 10,538.43 and 5,565.19 is: 8,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.90 : 10,538.43 = 5,565.19 : x
  2. Step 2: Convert to fraction form
    7,015.90/10,538.43 = 5,565.19/x
  3. Step 3: Cross multiply
    7,015.90x = 10,538.43 × 5,565.19
  4. Step 4: Simplify right side
    7,015.90x = 58,648,365.25
  5. Step 5: Solve for x
    x = 58,648,365.25/7,015.90
  6. Step 6: Final answer
    x = 8,359.35

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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.