Home / 8,810.31-13,211.28-5,113.67

Finding the Fourth Proportional to 8,810.31, 13,211.28 and 5,113.67

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Solution

The fourth proportional to 8,810.31, 13,211.28 and 5,113.67 is: 7,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.31 : 13,211.28 = 5,113.67 : x
  2. Step 2: Convert to fraction form
    8,810.31/13,211.28 = 5,113.67/x
  3. Step 3: Cross multiply
    8,810.31x = 13,211.28 × 5,113.67
  4. Step 4: Simplify right side
    8,810.31x = 67,558,159.23
  5. Step 5: Solve for x
    x = 67,558,159.23/8,810.31
  6. Step 6: Final answer
    x = 7,668.08

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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.