Home / 8,870.69-13,307.48-2,713.25

Finding the Fourth Proportional to 8,870.69, 13,307.48 and 2,713.25

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Solution

The fourth proportional to 8,870.69, 13,307.48 and 2,713.25 is: 4,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.69 : 13,307.48 = 2,713.25 : x
  2. Step 2: Convert to fraction form
    8,870.69/13,307.48 = 2,713.25/x
  3. Step 3: Cross multiply
    8,870.69x = 13,307.48 × 2,713.25
  4. Step 4: Simplify right side
    8,870.69x = 36,106,520.11
  5. Step 5: Solve for x
    x = 36,106,520.11/8,870.69
  6. Step 6: Final answer
    x = 4,070.32

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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.