Home / 6,856.13-9,461.63-4,205.00

Finding the Fourth Proportional to 6,856.13, 9,461.63 and 4,205.00

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Solution

The fourth proportional to 6,856.13, 9,461.63 and 4,205.00 is: 5,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.13 : 9,461.63 = 4,205.00 : x
  2. Step 2: Convert to fraction form
    6,856.13/9,461.63 = 4,205.00/x
  3. Step 3: Cross multiply
    6,856.13x = 9,461.63 × 4,205.00
  4. Step 4: Simplify right side
    6,856.13x = 39,786,130.50
  5. Step 5: Solve for x
    x = 39,786,130.50/6,856.13
  6. Step 6: Final answer
    x = 5,803.00

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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.