Home / 7,302.64-10,077.45-4,158.64

Finding the Fourth Proportional to 7,302.64, 10,077.45 and 4,158.64

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Solution

The fourth proportional to 7,302.64, 10,077.45 and 4,158.64 is: 5,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.64 : 10,077.45 = 4,158.64 : x
  2. Step 2: Convert to fraction form
    7,302.64/10,077.45 = 4,158.64/x
  3. Step 3: Cross multiply
    7,302.64x = 10,077.45 × 4,158.64
  4. Step 4: Simplify right side
    7,302.64x = 41,908,486.67
  5. Step 5: Solve for x
    x = 41,908,486.67/7,302.64
  6. Step 6: Final answer
    x = 5,738.81

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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.