Home / 7,746.95-10,690.83-4,210.18

Finding the Fourth Proportional to 7,746.95, 10,690.83 and 4,210.18

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Solution

The fourth proportional to 7,746.95, 10,690.83 and 4,210.18 is: 5,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.95 : 10,690.83 = 4,210.18 : x
  2. Step 2: Convert to fraction form
    7,746.95/10,690.83 = 4,210.18/x
  3. Step 3: Cross multiply
    7,746.95x = 10,690.83 × 4,210.18
  4. Step 4: Simplify right side
    7,746.95x = 45,010,291.92
  5. Step 5: Solve for x
    x = 45,010,291.92/7,746.95
  6. Step 6: Final answer
    x = 5,810.06

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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.