Home / 4,953.71-7,378.94-4,690.75

Finding the Fourth Proportional to 4,953.71, 7,378.94 and 4,690.75

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Solution

The fourth proportional to 4,953.71, 7,378.94 and 4,690.75 is: 6,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.71 : 7,378.94 = 4,690.75 : x
  2. Step 2: Convert to fraction form
    4,953.71/7,378.94 = 4,690.75/x
  3. Step 3: Cross multiply
    4,953.71x = 7,378.94 × 4,690.75
  4. Step 4: Simplify right side
    4,953.71x = 34,612,762.81
  5. Step 5: Solve for x
    x = 34,612,762.81/4,953.71
  6. Step 6: Final answer
    x = 6,987.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.