Home / 8,701.36-13,045.96-2,776.29

Finding the Fourth Proportional to 8,701.36, 13,045.96 and 2,776.29

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Solution

The fourth proportional to 8,701.36, 13,045.96 and 2,776.29 is: 4,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.36 : 13,045.96 = 2,776.29 : x
  2. Step 2: Convert to fraction form
    8,701.36/13,045.96 = 2,776.29/x
  3. Step 3: Cross multiply
    8,701.36x = 13,045.96 × 2,776.29
  4. Step 4: Simplify right side
    8,701.36x = 36,219,368.29
  5. Step 5: Solve for x
    x = 36,219,368.29/8,701.36
  6. Step 6: Final answer
    x = 4,162.50

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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.