Home / 6,345.60-8,756.74-3,513.10

Finding the Fourth Proportional to 6,345.60, 8,756.74 and 3,513.10

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Solution

The fourth proportional to 6,345.60, 8,756.74 and 3,513.10 is: 4,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.60 : 8,756.74 = 3,513.10 : x
  2. Step 2: Convert to fraction form
    6,345.60/8,756.74 = 3,513.10/x
  3. Step 3: Cross multiply
    6,345.60x = 8,756.74 × 3,513.10
  4. Step 4: Simplify right side
    6,345.60x = 30,763,303.29
  5. Step 5: Solve for x
    x = 30,763,303.29/6,345.60
  6. Step 6: Final answer
    x = 4,847.97

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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.