Home / 9,129.21-12,597.93-5,544.55

Finding the Fourth Proportional to 9,129.21, 12,597.93 and 5,544.55

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Solution

The fourth proportional to 9,129.21, 12,597.93 and 5,544.55 is: 7,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.21 : 12,597.93 = 5,544.55 : x
  2. Step 2: Convert to fraction form
    9,129.21/12,597.93 = 5,544.55/x
  3. Step 3: Cross multiply
    9,129.21x = 12,597.93 × 5,544.55
  4. Step 4: Simplify right side
    9,129.21x = 69,849,868.53
  5. Step 5: Solve for x
    x = 69,849,868.53/9,129.21
  6. Step 6: Final answer
    x = 7,651.25

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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.