Home / 4,345.54-6,515.88-1,423.60

Finding the Fourth Proportional to 4,345.54, 6,515.88 and 1,423.60

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Solution

The fourth proportional to 4,345.54, 6,515.88 and 1,423.60 is: 2,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.54 : 6,515.88 = 1,423.60 : x
  2. Step 2: Convert to fraction form
    4,345.54/6,515.88 = 1,423.60/x
  3. Step 3: Cross multiply
    4,345.54x = 6,515.88 × 1,423.60
  4. Step 4: Simplify right side
    4,345.54x = 9,275,985.14
  5. Step 5: Solve for x
    x = 9,275,985.14/4,345.54
  6. Step 6: Final answer
    x = 2,134.60

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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.