Home / 5,620.15-8,430.37-1,460.06

Finding the Fourth Proportional to 5,620.15, 8,430.37 and 1,460.06

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Solution

The fourth proportional to 5,620.15, 8,430.37 and 1,460.06 is: 2,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.15 : 8,430.37 = 1,460.06 : x
  2. Step 2: Convert to fraction form
    5,620.15/8,430.37 = 1,460.06/x
  3. Step 3: Cross multiply
    5,620.15x = 8,430.37 × 1,460.06
  4. Step 4: Simplify right side
    5,620.15x = 12,308,846.02
  5. Step 5: Solve for x
    x = 12,308,846.02/5,620.15
  6. Step 6: Final answer
    x = 2,190.13

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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.