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Finding the Fourth Proportional to 5,613.28, 7,746.26 and 3,095.32

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Solution

The fourth proportional to 5,613.28, 7,746.26 and 3,095.32 is: 4,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.28 : 7,746.26 = 3,095.32 : x
  2. Step 2: Convert to fraction form
    5,613.28/7,746.26 = 3,095.32/x
  3. Step 3: Cross multiply
    5,613.28x = 7,746.26 × 3,095.32
  4. Step 4: Simplify right side
    5,613.28x = 23,977,153.50
  5. Step 5: Solve for x
    x = 23,977,153.50/5,613.28
  6. Step 6: Final answer
    x = 4,271.50

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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.