Home / 5,095.60-7,643.40-1,807.60

Finding the Fourth Proportional to 5,095.60, 7,643.40 and 1,807.60

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Solution

The fourth proportional to 5,095.60, 7,643.40 and 1,807.60 is: 2,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.60 : 7,643.40 = 1,807.60 : x
  2. Step 2: Convert to fraction form
    5,095.60/7,643.40 = 1,807.60/x
  3. Step 3: Cross multiply
    5,095.60x = 7,643.40 × 1,807.60
  4. Step 4: Simplify right side
    5,095.60x = 13,816,209.84
  5. Step 5: Solve for x
    x = 13,816,209.84/5,095.60
  6. Step 6: Final answer
    x = 2,711.40

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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.