Home / 7,286.79-10,055.16-4,454.63

Finding the Fourth Proportional to 7,286.79, 10,055.16 and 4,454.63

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Solution

The fourth proportional to 7,286.79, 10,055.16 and 4,454.63 is: 6,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.79 : 10,055.16 = 4,454.63 : x
  2. Step 2: Convert to fraction form
    7,286.79/10,055.16 = 4,454.63/x
  3. Step 3: Cross multiply
    7,286.79x = 10,055.16 × 4,454.63
  4. Step 4: Simplify right side
    7,286.79x = 44,791,967.12
  5. Step 5: Solve for x
    x = 44,791,967.12/7,286.79
  6. Step 6: Final answer
    x = 6,147.01

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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.