Home / 7,835.80-10,815.66-4,480.46

Finding the Fourth Proportional to 7,835.80, 10,815.66 and 4,480.46

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Solution

The fourth proportional to 7,835.80, 10,815.66 and 4,480.46 is: 6,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.80 : 10,815.66 = 4,480.46 : x
  2. Step 2: Convert to fraction form
    7,835.80/10,815.66 = 4,480.46/x
  3. Step 3: Cross multiply
    7,835.80x = 10,815.66 × 4,480.46
  4. Step 4: Simplify right side
    7,835.80x = 48,459,132.00
  5. Step 5: Solve for x
    x = 48,459,132.00/7,835.80
  6. Step 6: Final answer
    x = 6,184.32

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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.