Home / 5,620.06-8,430.23-1,724.50

Finding the Fourth Proportional to 5,620.06, 8,430.23 and 1,724.50

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Solution

The fourth proportional to 5,620.06, 8,430.23 and 1,724.50 is: 2,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.06 : 8,430.23 = 1,724.50 : x
  2. Step 2: Convert to fraction form
    5,620.06/8,430.23 = 1,724.50/x
  3. Step 3: Cross multiply
    5,620.06x = 8,430.23 × 1,724.50
  4. Step 4: Simplify right side
    5,620.06x = 14,537,931.64
  5. Step 5: Solve for x
    x = 14,537,931.64/5,620.06
  6. Step 6: Final answer
    x = 2,586.79

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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.