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Finding the Fourth Proportional to 5,386.08, 8,079.10 and 4,653.42

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Solution

The fourth proportional to 5,386.08, 8,079.10 and 4,653.42 is: 6,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.08 : 8,079.10 = 4,653.42 : x
  2. Step 2: Convert to fraction form
    5,386.08/8,079.10 = 4,653.42/x
  3. Step 3: Cross multiply
    5,386.08x = 8,079.10 × 4,653.42
  4. Step 4: Simplify right side
    5,386.08x = 37,595,445.52
  5. Step 5: Solve for x
    x = 37,595,445.52/5,386.08
  6. Step 6: Final answer
    x = 6,980.11

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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.