Home / 8,427.93-12,617.40-4,907.19

Finding the Fourth Proportional to 8,427.93, 12,617.40 and 4,907.19

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Solution

The fourth proportional to 8,427.93, 12,617.40 and 4,907.19 is: 7,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.93 : 12,617.40 = 4,907.19 : x
  2. Step 2: Convert to fraction form
    8,427.93/12,617.40 = 4,907.19/x
  3. Step 3: Cross multiply
    8,427.93x = 12,617.40 × 4,907.19
  4. Step 4: Simplify right side
    8,427.93x = 61,915,979.11
  5. Step 5: Solve for x
    x = 61,915,979.11/8,427.93
  6. Step 6: Final answer
    x = 7,346.52

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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.