Home / 7,851.06-11,776.59-4,931.42

Finding the Fourth Proportional to 7,851.06, 11,776.59 and 4,931.42

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Solution

The fourth proportional to 7,851.06, 11,776.59 and 4,931.42 is: 7,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.06 : 11,776.59 = 4,931.42 : x
  2. Step 2: Convert to fraction form
    7,851.06/11,776.59 = 4,931.42/x
  3. Step 3: Cross multiply
    7,851.06x = 11,776.59 × 4,931.42
  4. Step 4: Simplify right side
    7,851.06x = 58,075,252.57
  5. Step 5: Solve for x
    x = 58,075,252.57/7,851.06
  6. Step 6: Final answer
    x = 7,397.12

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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.