Home / 8,810.30-13,215.40-7,066.26

Finding the Fourth Proportional to 8,810.30, 13,215.40 and 7,066.26

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Solution

The fourth proportional to 8,810.30, 13,215.40 and 7,066.26 is: 10,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.30 : 13,215.40 = 7,066.26 : x
  2. Step 2: Convert to fraction form
    8,810.30/13,215.40 = 7,066.26/x
  3. Step 3: Cross multiply
    8,810.30x = 13,215.40 × 7,066.26
  4. Step 4: Simplify right side
    8,810.30x = 93,383,484.30
  5. Step 5: Solve for x
    x = 93,383,484.30/8,810.30
  6. Step 6: Final answer
    x = 10,599.35

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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.