Home / 8,219.00-12,312.27-5,437.26

Finding the Fourth Proportional to 8,219.00, 12,312.27 and 5,437.26

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Solution

The fourth proportional to 8,219.00, 12,312.27 and 5,437.26 is: 8,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.00 : 12,312.27 = 5,437.26 : x
  2. Step 2: Convert to fraction form
    8,219.00/12,312.27 = 5,437.26/x
  3. Step 3: Cross multiply
    8,219.00x = 12,312.27 × 5,437.26
  4. Step 4: Simplify right side
    8,219.00x = 66,945,013.18
  5. Step 5: Solve for x
    x = 66,945,013.18/8,219.00
  6. Step 6: Final answer
    x = 8,145.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.