Home / 7,579.83-10,456.47-4,890.32

Finding the Fourth Proportional to 7,579.83, 10,456.47 and 4,890.32

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Solution

The fourth proportional to 7,579.83, 10,456.47 and 4,890.32 is: 6,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.83 : 10,456.47 = 4,890.32 : x
  2. Step 2: Convert to fraction form
    7,579.83/10,456.47 = 4,890.32/x
  3. Step 3: Cross multiply
    7,579.83x = 10,456.47 × 4,890.32
  4. Step 4: Simplify right side
    7,579.83x = 51,135,432.09
  5. Step 5: Solve for x
    x = 51,135,432.09/7,579.83
  6. Step 6: Final answer
    x = 6,746.25

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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.