Home / 4,395.30-6,591.84-1,317.30

Finding the Fourth Proportional to 4,395.30, 6,591.84 and 1,317.30

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Solution

The fourth proportional to 4,395.30, 6,591.84 and 1,317.30 is: 1,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.30 : 6,591.84 = 1,317.30 : x
  2. Step 2: Convert to fraction form
    4,395.30/6,591.84 = 1,317.30/x
  3. Step 3: Cross multiply
    4,395.30x = 6,591.84 × 1,317.30
  4. Step 4: Simplify right side
    4,395.30x = 8,683,430.83
  5. Step 5: Solve for x
    x = 8,683,430.83/4,395.30
  6. Step 6: Final answer
    x = 1,975.62

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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.