Home / 8,075.77-11,144.45-4,931.96

Finding the Fourth Proportional to 8,075.77, 11,144.45 and 4,931.96

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Solution

The fourth proportional to 8,075.77, 11,144.45 and 4,931.96 is: 6,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.77 : 11,144.45 = 4,931.96 : x
  2. Step 2: Convert to fraction form
    8,075.77/11,144.45 = 4,931.96/x
  3. Step 3: Cross multiply
    8,075.77x = 11,144.45 × 4,931.96
  4. Step 4: Simplify right side
    8,075.77x = 54,963,938.23
  5. Step 5: Solve for x
    x = 54,963,938.23/8,075.77
  6. Step 6: Final answer
    x = 6,806.03

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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.