Home / 8,750.61-12,077.79-5,563.26

Finding the Fourth Proportional to 8,750.61, 12,077.79 and 5,563.26

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Solution

The fourth proportional to 8,750.61, 12,077.79 and 5,563.26 is: 7,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.61 : 12,077.79 = 5,563.26 : x
  2. Step 2: Convert to fraction form
    8,750.61/12,077.79 = 5,563.26/x
  3. Step 3: Cross multiply
    8,750.61x = 12,077.79 × 5,563.26
  4. Step 4: Simplify right side
    8,750.61x = 67,191,886.00
  5. Step 5: Solve for x
    x = 67,191,886.00/8,750.61
  6. Step 6: Final answer
    x = 7,678.54

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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.