Home / 7,056.24-9,739.35-4,187.40

Finding the Fourth Proportional to 7,056.24, 9,739.35 and 4,187.40

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Solution

The fourth proportional to 7,056.24, 9,739.35 and 4,187.40 is: 5,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.24 : 9,739.35 = 4,187.40 : x
  2. Step 2: Convert to fraction form
    7,056.24/9,739.35 = 4,187.40/x
  3. Step 3: Cross multiply
    7,056.24x = 9,739.35 × 4,187.40
  4. Step 4: Simplify right side
    7,056.24x = 40,782,554.19
  5. Step 5: Solve for x
    x = 40,782,554.19/7,056.24
  6. Step 6: Final answer
    x = 5,779.64

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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.