Home / 4,351.72-6,528.18-1,430.32

Finding the Fourth Proportional to 4,351.72, 6,528.18 and 1,430.32

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Solution

The fourth proportional to 4,351.72, 6,528.18 and 1,430.32 is: 2,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.72 : 6,528.18 = 1,430.32 : x
  2. Step 2: Convert to fraction form
    4,351.72/6,528.18 = 1,430.32/x
  3. Step 3: Cross multiply
    4,351.72x = 6,528.18 × 1,430.32
  4. Step 4: Simplify right side
    4,351.72x = 9,337,386.42
  5. Step 5: Solve for x
    x = 9,337,386.42/4,351.72
  6. Step 6: Final answer
    x = 2,145.68

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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.