Home / 4,639.08-6,956.46-1,715.40

Finding the Fourth Proportional to 4,639.08, 6,956.46 and 1,715.40

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Solution

The fourth proportional to 4,639.08, 6,956.46 and 1,715.40 is: 2,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.08 : 6,956.46 = 1,715.40 : x
  2. Step 2: Convert to fraction form
    4,639.08/6,956.46 = 1,715.40/x
  3. Step 3: Cross multiply
    4,639.08x = 6,956.46 × 1,715.40
  4. Step 4: Simplify right side
    4,639.08x = 11,933,111.48
  5. Step 5: Solve for x
    x = 11,933,111.48/4,639.08
  6. Step 6: Final answer
    x = 2,572.30

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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.