Home / 7,856.02-10,849.77-4,878.93

Finding the Fourth Proportional to 7,856.02, 10,849.77 and 4,878.93

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Solution

The fourth proportional to 7,856.02, 10,849.77 and 4,878.93 is: 6,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.02 : 10,849.77 = 4,878.93 : x
  2. Step 2: Convert to fraction form
    7,856.02/10,849.77 = 4,878.93/x
  3. Step 3: Cross multiply
    7,856.02x = 10,849.77 × 4,878.93
  4. Step 4: Simplify right side
    7,856.02x = 52,935,268.35
  5. Step 5: Solve for x
    x = 52,935,268.35/7,856.02
  6. Step 6: Final answer
    x = 6,738.18

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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.