Home / 7,811.01-10,779.26-4,826.16

Finding the Fourth Proportional to 7,811.01, 10,779.26 and 4,826.16

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Solution

The fourth proportional to 7,811.01, 10,779.26 and 4,826.16 is: 6,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.01 : 10,779.26 = 4,826.16 : x
  2. Step 2: Convert to fraction form
    7,811.01/10,779.26 = 4,826.16/x
  3. Step 3: Cross multiply
    7,811.01x = 10,779.26 × 4,826.16
  4. Step 4: Simplify right side
    7,811.01x = 52,022,409.31
  5. Step 5: Solve for x
    x = 52,022,409.31/7,811.01
  6. Step 6: Final answer
    x = 6,660.14

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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.