Home / 4,351.64-6,528.27-1,430.15

Finding the Fourth Proportional to 4,351.64, 6,528.27 and 1,430.15

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Solution

The fourth proportional to 4,351.64, 6,528.27 and 1,430.15 is: 2,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.64 : 6,528.27 = 1,430.15 : x
  2. Step 2: Convert to fraction form
    4,351.64/6,528.27 = 1,430.15/x
  3. Step 3: Cross multiply
    4,351.64x = 6,528.27 × 1,430.15
  4. Step 4: Simplify right side
    4,351.64x = 9,336,405.34
  5. Step 5: Solve for x
    x = 9,336,405.34/4,351.64
  6. Step 6: Final answer
    x = 2,145.49

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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.