Home / 4,365.12-6,547.68-1,443.60

Finding the Fourth Proportional to 4,365.12, 6,547.68 and 1,443.60

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Solution

The fourth proportional to 4,365.12, 6,547.68 and 1,443.60 is: 2,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.12 : 6,547.68 = 1,443.60 : x
  2. Step 2: Convert to fraction form
    4,365.12/6,547.68 = 1,443.60/x
  3. Step 3: Cross multiply
    4,365.12x = 6,547.68 × 1,443.60
  4. Step 4: Simplify right side
    4,365.12x = 9,452,230.85
  5. Step 5: Solve for x
    x = 9,452,230.85/4,365.12
  6. Step 6: Final answer
    x = 2,165.40

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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.