Home / 7,259.57-10,019.85-4,427.90

Finding the Fourth Proportional to 7,259.57, 10,019.85 and 4,427.90

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Solution

The fourth proportional to 7,259.57, 10,019.85 and 4,427.90 is: 6,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.57 : 10,019.85 = 4,427.90 : x
  2. Step 2: Convert to fraction form
    7,259.57/10,019.85 = 4,427.90/x
  3. Step 3: Cross multiply
    7,259.57x = 10,019.85 × 4,427.90
  4. Step 4: Simplify right side
    7,259.57x = 44,366,893.82
  5. Step 5: Solve for x
    x = 44,366,893.82/7,259.57
  6. Step 6: Final answer
    x = 6,111.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.