Home / 5,318.36-7,975.47-1,569.32

Finding the Fourth Proportional to 5,318.36, 7,975.47 and 1,569.32

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Solution

The fourth proportional to 5,318.36, 7,975.47 and 1,569.32 is: 2,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.36 : 7,975.47 = 1,569.32 : x
  2. Step 2: Convert to fraction form
    5,318.36/7,975.47 = 1,569.32/x
  3. Step 3: Cross multiply
    5,318.36x = 7,975.47 × 1,569.32
  4. Step 4: Simplify right side
    5,318.36x = 12,516,064.58
  5. Step 5: Solve for x
    x = 12,516,064.58/5,318.36
  6. Step 6: Final answer
    x = 2,353.37

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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.