Home / 7,621.47-10,517.58-4,264.28

Finding the Fourth Proportional to 7,621.47, 10,517.58 and 4,264.28

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Solution

The fourth proportional to 7,621.47, 10,517.58 and 4,264.28 is: 5,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.47 : 10,517.58 = 4,264.28 : x
  2. Step 2: Convert to fraction form
    7,621.47/10,517.58 = 4,264.28/x
  3. Step 3: Cross multiply
    7,621.47x = 10,517.58 × 4,264.28
  4. Step 4: Simplify right side
    7,621.47x = 44,849,853.45
  5. Step 5: Solve for x
    x = 44,849,853.45/7,621.47
  6. Step 6: Final answer
    x = 5,884.67

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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.