Home / 9,190.40-13,779.84-4,570.88

Finding the Fourth Proportional to 9,190.40, 13,779.84 and 4,570.88

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Solution

The fourth proportional to 9,190.40, 13,779.84 and 4,570.88 is: 6,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.40 : 13,779.84 = 4,570.88 : x
  2. Step 2: Convert to fraction form
    9,190.40/13,779.84 = 4,570.88/x
  3. Step 3: Cross multiply
    9,190.40x = 13,779.84 × 4,570.88
  4. Step 4: Simplify right side
    9,190.40x = 62,985,995.06
  5. Step 5: Solve for x
    x = 62,985,995.06/9,190.40
  6. Step 6: Final answer
    x = 6,853.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.