Home / 4,809.33-6,635.74-2,920.86

Finding the Fourth Proportional to 4,809.33, 6,635.74 and 2,920.86

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Solution

The fourth proportional to 4,809.33, 6,635.74 and 2,920.86 is: 4,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.33 : 6,635.74 = 2,920.86 : x
  2. Step 2: Convert to fraction form
    4,809.33/6,635.74 = 2,920.86/x
  3. Step 3: Cross multiply
    4,809.33x = 6,635.74 × 2,920.86
  4. Step 4: Simplify right side
    4,809.33x = 19,382,038.01
  5. Step 5: Solve for x
    x = 19,382,038.01/4,809.33
  6. Step 6: Final answer
    x = 4,030.10

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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.