Home / 9,280.55-13,918.71-5,533.39

Finding the Fourth Proportional to 9,280.55, 13,918.71 and 5,533.39

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Solution

The fourth proportional to 9,280.55, 13,918.71 and 5,533.39 is: 8,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.55 : 13,918.71 = 5,533.39 : x
  2. Step 2: Convert to fraction form
    9,280.55/13,918.71 = 5,533.39/x
  3. Step 3: Cross multiply
    9,280.55x = 13,918.71 × 5,533.39
  4. Step 4: Simplify right side
    9,280.55x = 77,017,683.85
  5. Step 5: Solve for x
    x = 77,017,683.85/9,280.55
  6. Step 6: Final answer
    x = 8,298.82

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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.