Home / 6,789-9,364.98-4,808.55

Finding the Fourth Proportional to 6,789, 9,364.98 and 4,808.55

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Solution

The fourth proportional to 6,789, 9,364.98 and 4,808.55 is: 6,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789 : 9,364.98 = 4,808.55 : x
  2. Step 2: Convert to fraction form
    6,789/9,364.98 = 4,808.55/x
  3. Step 3: Cross multiply
    6,789x = 9,364.98 × 4,808.55
  4. Step 4: Simplify right side
    6,789x = 45,031,974.58
  5. Step 5: Solve for x
    x = 45,031,974.58/6,789
  6. Step 6: Final answer
    x = 6,633.08

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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.