Home / 5,527.64-7,622.70-4,687.40

Finding the Fourth Proportional to 5,527.64, 7,622.70 and 4,687.40

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Solution

The fourth proportional to 5,527.64, 7,622.70 and 4,687.40 is: 6,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.64 : 7,622.70 = 4,687.40 : x
  2. Step 2: Convert to fraction form
    5,527.64/7,622.70 = 4,687.40/x
  3. Step 3: Cross multiply
    5,527.64x = 7,622.70 × 4,687.40
  4. Step 4: Simplify right side
    5,527.64x = 35,730,643.98
  5. Step 5: Solve for x
    x = 35,730,643.98/5,527.64
  6. Step 6: Final answer
    x = 6,464.00

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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.