Home / 8,295.90-11,459.58-7,705.44

Finding the Fourth Proportional to 8,295.90, 11,459.58 and 7,705.44

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Solution

The fourth proportional to 8,295.90, 11,459.58 and 7,705.44 is: 10,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.90 : 11,459.58 = 7,705.44 : x
  2. Step 2: Convert to fraction form
    8,295.90/11,459.58 = 7,705.44/x
  3. Step 3: Cross multiply
    8,295.90x = 11,459.58 × 7,705.44
  4. Step 4: Simplify right side
    8,295.90x = 88,301,106.12
  5. Step 5: Solve for x
    x = 88,301,106.12/8,295.90
  6. Step 6: Final answer
    x = 10,643.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.