Home / 6,405.08-9,612.47-4,320.14

Finding the Fourth Proportional to 6,405.08, 9,612.47 and 4,320.14

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Solution

The fourth proportional to 6,405.08, 9,612.47 and 4,320.14 is: 6,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.08 : 9,612.47 = 4,320.14 : x
  2. Step 2: Convert to fraction form
    6,405.08/9,612.47 = 4,320.14/x
  3. Step 3: Cross multiply
    6,405.08x = 9,612.47 × 4,320.14
  4. Step 4: Simplify right side
    6,405.08x = 41,527,178.88
  5. Step 5: Solve for x
    x = 41,527,178.88/6,405.08
  6. Step 6: Final answer
    x = 6,483.48

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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.