Home / 8,810.86-13,213.51-2,886.38

Finding the Fourth Proportional to 8,810.86, 13,213.51 and 2,886.38

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Solution

The fourth proportional to 8,810.86, 13,213.51 and 2,886.38 is: 4,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.86 : 13,213.51 = 2,886.38 : x
  2. Step 2: Convert to fraction form
    8,810.86/13,213.51 = 2,886.38/x
  3. Step 3: Cross multiply
    8,810.86x = 13,213.51 × 2,886.38
  4. Step 4: Simplify right side
    8,810.86x = 38,139,210.99
  5. Step 5: Solve for x
    x = 38,139,210.99/8,810.86
  6. Step 6: Final answer
    x = 4,328.66

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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.