Home / 6,345.90-8,734.62-5,271.84

Finding the Fourth Proportional to 6,345.90, 8,734.62 and 5,271.84

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Solution

The fourth proportional to 6,345.90, 8,734.62 and 5,271.84 is: 7,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.90 : 8,734.62 = 5,271.84 : x
  2. Step 2: Convert to fraction form
    6,345.90/8,734.62 = 5,271.84/x
  3. Step 3: Cross multiply
    6,345.90x = 8,734.62 × 5,271.84
  4. Step 4: Simplify right side
    6,345.90x = 46,047,519.10
  5. Step 5: Solve for x
    x = 46,047,519.10/6,345.90
  6. Step 6: Final answer
    x = 7,256.26

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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.