Home / 7,746.94-10,690.76-4,210.12

Finding the Fourth Proportional to 7,746.94, 10,690.76 and 4,210.12

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Solution

The fourth proportional to 7,746.94, 10,690.76 and 4,210.12 is: 5,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.94 : 10,690.76 = 4,210.12 : x
  2. Step 2: Convert to fraction form
    7,746.94/10,690.76 = 4,210.12/x
  3. Step 3: Cross multiply
    7,746.94x = 10,690.76 × 4,210.12
  4. Step 4: Simplify right side
    7,746.94x = 45,009,361.44
  5. Step 5: Solve for x
    x = 45,009,361.44/7,746.94
  6. Step 6: Final answer
    x = 5,809.95

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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.