Home / 8,690.77-13,030.35-4,476.75

Finding the Fourth Proportional to 8,690.77, 13,030.35 and 4,476.75

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Solution

The fourth proportional to 8,690.77, 13,030.35 and 4,476.75 is: 6,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.77 : 13,030.35 = 4,476.75 : x
  2. Step 2: Convert to fraction form
    8,690.77/13,030.35 = 4,476.75/x
  3. Step 3: Cross multiply
    8,690.77x = 13,030.35 × 4,476.75
  4. Step 4: Simplify right side
    8,690.77x = 58,333,619.36
  5. Step 5: Solve for x
    x = 58,333,619.36/8,690.77
  6. Step 6: Final answer
    x = 6,712.13

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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.