Home / 7,695.18-10,621.98-4,509.50

Finding the Fourth Proportional to 7,695.18, 10,621.98 and 4,509.50

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Solution

The fourth proportional to 7,695.18, 10,621.98 and 4,509.50 is: 6,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.18 : 10,621.98 = 4,509.50 : x
  2. Step 2: Convert to fraction form
    7,695.18/10,621.98 = 4,509.50/x
  3. Step 3: Cross multiply
    7,695.18x = 10,621.98 × 4,509.50
  4. Step 4: Simplify right side
    7,695.18x = 47,899,765.70
  5. Step 5: Solve for x
    x = 47,899,765.70/7,695.18
  6. Step 6: Final answer
    x = 6,224.65

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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.