Home / 4,210.40-6,314.80-1,132.64

Finding the Fourth Proportional to 4,210.40, 6,314.80 and 1,132.64

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Solution

The fourth proportional to 4,210.40, 6,314.80 and 1,132.64 is: 1,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.40 : 6,314.80 = 1,132.64 : x
  2. Step 2: Convert to fraction form
    4,210.40/6,314.80 = 1,132.64/x
  3. Step 3: Cross multiply
    4,210.40x = 6,314.80 × 1,132.64
  4. Step 4: Simplify right side
    4,210.40x = 7,152,395.07
  5. Step 5: Solve for x
    x = 7,152,395.07/4,210.40
  6. Step 6: Final answer
    x = 1,698.74

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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.