Home / 5,518.29-8,225.45-5,075.42

Finding the Fourth Proportional to 5,518.29, 8,225.45 and 5,075.42

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Solution

The fourth proportional to 5,518.29, 8,225.45 and 5,075.42 is: 7,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.29 : 8,225.45 = 5,075.42 : x
  2. Step 2: Convert to fraction form
    5,518.29/8,225.45 = 5,075.42/x
  3. Step 3: Cross multiply
    5,518.29x = 8,225.45 × 5,075.42
  4. Step 4: Simplify right side
    5,518.29x = 41,747,634.00
  5. Step 5: Solve for x
    x = 41,747,634.00/5,518.29
  6. Step 6: Final answer
    x = 7,565.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.