Home / 5,126.09-7,074.03-2,888.00

Finding the Fourth Proportional to 5,126.09, 7,074.03 and 2,888.00

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Solution

The fourth proportional to 5,126.09, 7,074.03 and 2,888.00 is: 3,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.09 : 7,074.03 = 2,888.00 : x
  2. Step 2: Convert to fraction form
    5,126.09/7,074.03 = 2,888.00/x
  3. Step 3: Cross multiply
    5,126.09x = 7,074.03 × 2,888.00
  4. Step 4: Simplify right side
    5,126.09x = 20,429,840.42
  5. Step 5: Solve for x
    x = 20,429,840.42/5,126.09
  6. Step 6: Final answer
    x = 3,985.46

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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.