Home / 4,325.60-6,488.63-1,403.69

Finding the Fourth Proportional to 4,325.60, 6,488.63 and 1,403.69

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Solution

The fourth proportional to 4,325.60, 6,488.63 and 1,403.69 is: 2,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.60 : 6,488.63 = 1,403.69 : x
  2. Step 2: Convert to fraction form
    4,325.60/6,488.63 = 1,403.69/x
  3. Step 3: Cross multiply
    4,325.60x = 6,488.63 × 1,403.69
  4. Step 4: Simplify right side
    4,325.60x = 9,107,985.58
  5. Step 5: Solve for x
    x = 9,107,985.58/4,325.60
  6. Step 6: Final answer
    x = 2,105.60

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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.