Home / 4,298.64-6,445.52-3,931.72

Finding the Fourth Proportional to 4,298.64, 6,445.52 and 3,931.72

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Solution

The fourth proportional to 4,298.64, 6,445.52 and 3,931.72 is: 5,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.64 : 6,445.52 = 3,931.72 : x
  2. Step 2: Convert to fraction form
    4,298.64/6,445.52 = 3,931.72/x
  3. Step 3: Cross multiply
    4,298.64x = 6,445.52 × 3,931.72
  4. Step 4: Simplify right side
    4,298.64x = 25,341,979.89
  5. Step 5: Solve for x
    x = 25,341,979.89/4,298.64
  6. Step 6: Final answer
    x = 5,895.35

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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.