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Finding the Fourth Proportional to 4,718.79, 6,509.16 and 2,951.27

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Solution

The fourth proportional to 4,718.79, 6,509.16 and 2,951.27 is: 4,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.79 : 6,509.16 = 2,951.27 : x
  2. Step 2: Convert to fraction form
    4,718.79/6,509.16 = 2,951.27/x
  3. Step 3: Cross multiply
    4,718.79x = 6,509.16 × 2,951.27
  4. Step 4: Simplify right side
    4,718.79x = 19,210,280.50
  5. Step 5: Solve for x
    x = 19,210,280.50/4,718.79
  6. Step 6: Final answer
    x = 4,071.02

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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.