Home / 8,307.80-11,465.45-4,723.89

Finding the Fourth Proportional to 8,307.80, 11,465.45 and 4,723.89

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Solution

The fourth proportional to 8,307.80, 11,465.45 and 4,723.89 is: 6,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.80 : 11,465.45 = 4,723.89 : x
  2. Step 2: Convert to fraction form
    8,307.80/11,465.45 = 4,723.89/x
  3. Step 3: Cross multiply
    8,307.80x = 11,465.45 × 4,723.89
  4. Step 4: Simplify right side
    8,307.80x = 54,161,467.27
  5. Step 5: Solve for x
    x = 54,161,467.27/8,307.80
  6. Step 6: Final answer
    x = 6,519.35

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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.