Home / 7,621.70-10,518.36-4,264.32

Finding the Fourth Proportional to 7,621.70, 10,518.36 and 4,264.32

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Solution

The fourth proportional to 7,621.70, 10,518.36 and 4,264.32 is: 5,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.70 : 10,518.36 = 4,264.32 : x
  2. Step 2: Convert to fraction form
    7,621.70/10,518.36 = 4,264.32/x
  3. Step 3: Cross multiply
    7,621.70x = 10,518.36 × 4,264.32
  4. Step 4: Simplify right side
    7,621.70x = 44,853,600.32
  5. Step 5: Solve for x
    x = 44,853,600.32/7,621.70
  6. Step 6: Final answer
    x = 5,884.99

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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.