Home / 7,387.36-11,068.40-4,784.80

Finding the Fourth Proportional to 7,387.36, 11,068.40 and 4,784.80

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Solution

The fourth proportional to 7,387.36, 11,068.40 and 4,784.80 is: 7,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.36 : 11,068.40 = 4,784.80 : x
  2. Step 2: Convert to fraction form
    7,387.36/11,068.40 = 4,784.80/x
  3. Step 3: Cross multiply
    7,387.36x = 11,068.40 × 4,784.80
  4. Step 4: Simplify right side
    7,387.36x = 52,960,080.32
  5. Step 5: Solve for x
    x = 52,960,080.32/7,387.36
  6. Step 6: Final answer
    x = 7,169.01

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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.