Home / 7,621.58-10,518.32-4,264.72

Finding the Fourth Proportional to 7,621.58, 10,518.32 and 4,264.72

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Solution

The fourth proportional to 7,621.58, 10,518.32 and 4,264.72 is: 5,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.58 : 10,518.32 = 4,264.72 : x
  2. Step 2: Convert to fraction form
    7,621.58/10,518.32 = 4,264.72/x
  3. Step 3: Cross multiply
    7,621.58x = 10,518.32 × 4,264.72
  4. Step 4: Simplify right side
    7,621.58x = 44,857,689.67
  5. Step 5: Solve for x
    x = 44,857,689.67/7,621.58
  6. Step 6: Final answer
    x = 5,885.62

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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.