Home / 8,870.22-13,307.28-2,630.73

Finding the Fourth Proportional to 8,870.22, 13,307.28 and 2,630.73

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Solution

The fourth proportional to 8,870.22, 13,307.28 and 2,630.73 is: 3,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.22 : 13,307.28 = 2,630.73 : x
  2. Step 2: Convert to fraction form
    8,870.22/13,307.28 = 2,630.73/x
  3. Step 3: Cross multiply
    8,870.22x = 13,307.28 × 2,630.73
  4. Step 4: Simplify right side
    8,870.22x = 35,007,860.71
  5. Step 5: Solve for x
    x = 35,007,860.71/8,870.22
  6. Step 6: Final answer
    x = 3,946.67

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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.