Home / 6,411.30-9,626.85-3,495.30

Finding the Fourth Proportional to 6,411.30, 9,626.85 and 3,495.30

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Solution

The fourth proportional to 6,411.30, 9,626.85 and 3,495.30 is: 5,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.30 : 9,626.85 = 3,495.30 : x
  2. Step 2: Convert to fraction form
    6,411.30/9,626.85 = 3,495.30/x
  3. Step 3: Cross multiply
    6,411.30x = 9,626.85 × 3,495.30
  4. Step 4: Simplify right side
    6,411.30x = 33,648,728.81
  5. Step 5: Solve for x
    x = 33,648,728.81/6,411.30
  6. Step 6: Final answer
    x = 5,248.35

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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.