Home / 8,362.90-12,543.54-5,075.11

Finding the Fourth Proportional to 8,362.90, 12,543.54 and 5,075.11

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Solution

The fourth proportional to 8,362.90, 12,543.54 and 5,075.11 is: 7,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.90 : 12,543.54 = 5,075.11 : x
  2. Step 2: Convert to fraction form
    8,362.90/12,543.54 = 5,075.11/x
  3. Step 3: Cross multiply
    8,362.90x = 12,543.54 × 5,075.11
  4. Step 4: Simplify right side
    8,362.90x = 63,659,845.29
  5. Step 5: Solve for x
    x = 63,659,845.29/8,362.90
  6. Step 6: Final answer
    x = 7,612.17

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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.