Home / 5,005.36-7,508.31-1,307.60

Finding the Fourth Proportional to 5,005.36, 7,508.31 and 1,307.60

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Solution

The fourth proportional to 5,005.36, 7,508.31 and 1,307.60 is: 1,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.36 : 7,508.31 = 1,307.60 : x
  2. Step 2: Convert to fraction form
    5,005.36/7,508.31 = 1,307.60/x
  3. Step 3: Cross multiply
    5,005.36x = 7,508.31 × 1,307.60
  4. Step 4: Simplify right side
    5,005.36x = 9,817,866.16
  5. Step 5: Solve for x
    x = 9,817,866.16/5,005.36
  6. Step 6: Final answer
    x = 1,961.47

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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.