Home / 4,690.56-7,038.72-2,381.76

Finding the Fourth Proportional to 4,690.56, 7,038.72 and 2,381.76

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Solution

The fourth proportional to 4,690.56, 7,038.72 and 2,381.76 is: 3,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.56 : 7,038.72 = 2,381.76 : x
  2. Step 2: Convert to fraction form
    4,690.56/7,038.72 = 2,381.76/x
  3. Step 3: Cross multiply
    4,690.56x = 7,038.72 × 2,381.76
  4. Step 4: Simplify right side
    4,690.56x = 16,764,541.75
  5. Step 5: Solve for x
    x = 16,764,541.75/4,690.56
  6. Step 6: Final answer
    x = 3,574.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.