Home / 8,554.79-11,805.49-4,778.02

Finding the Fourth Proportional to 8,554.79, 11,805.49 and 4,778.02

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Solution

The fourth proportional to 8,554.79, 11,805.49 and 4,778.02 is: 6,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.79 : 11,805.49 = 4,778.02 : x
  2. Step 2: Convert to fraction form
    8,554.79/11,805.49 = 4,778.02/x
  3. Step 3: Cross multiply
    8,554.79x = 11,805.49 × 4,778.02
  4. Step 4: Simplify right side
    8,554.79x = 56,406,888.06
  5. Step 5: Solve for x
    x = 56,406,888.06/8,554.79
  6. Step 6: Final answer
    x = 6,593.60

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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.