Home / 7,621.85-10,518.35-4,264.64

Finding the Fourth Proportional to 7,621.85, 10,518.35 and 4,264.64

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Solution

The fourth proportional to 7,621.85, 10,518.35 and 4,264.64 is: 5,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.85 : 10,518.35 = 4,264.64 : x
  2. Step 2: Convert to fraction form
    7,621.85/10,518.35 = 4,264.64/x
  3. Step 3: Cross multiply
    7,621.85x = 10,518.35 × 4,264.64
  4. Step 4: Simplify right side
    7,621.85x = 44,856,941.67
  5. Step 5: Solve for x
    x = 44,856,941.67/7,621.85
  6. Step 6: Final answer
    x = 5,885.31

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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.