Home / 5,510.79-8,257.55-4,685.67

Finding the Fourth Proportional to 5,510.79, 8,257.55 and 4,685.67

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Solution

The fourth proportional to 5,510.79, 8,257.55 and 4,685.67 is: 7,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.79 : 8,257.55 = 4,685.67 : x
  2. Step 2: Convert to fraction form
    5,510.79/8,257.55 = 4,685.67/x
  3. Step 3: Cross multiply
    5,510.79x = 8,257.55 × 4,685.67
  4. Step 4: Simplify right side
    5,510.79x = 38,692,130.88
  5. Step 5: Solve for x
    x = 38,692,130.88/5,510.79
  6. Step 6: Final answer
    x = 7,021.16

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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.