Home / 6,289.63-8,680.05-3,495.13

Finding the Fourth Proportional to 6,289.63, 8,680.05 and 3,495.13

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Solution

The fourth proportional to 6,289.63, 8,680.05 and 3,495.13 is: 4,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.63 : 8,680.05 = 3,495.13 : x
  2. Step 2: Convert to fraction form
    6,289.63/8,680.05 = 3,495.13/x
  3. Step 3: Cross multiply
    6,289.63x = 8,680.05 × 3,495.13
  4. Step 4: Simplify right side
    6,289.63x = 30,337,903.16
  5. Step 5: Solve for x
    x = 30,337,903.16/6,289.63
  6. Step 6: Final answer
    x = 4,823.48

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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.