Home / 7,579.56-10,459.51-4,222.19

Finding the Fourth Proportional to 7,579.56, 10,459.51 and 4,222.19

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Solution

The fourth proportional to 7,579.56, 10,459.51 and 4,222.19 is: 5,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.56 : 10,459.51 = 4,222.19 : x
  2. Step 2: Convert to fraction form
    7,579.56/10,459.51 = 4,222.19/x
  3. Step 3: Cross multiply
    7,579.56x = 10,459.51 × 4,222.19
  4. Step 4: Simplify right side
    7,579.56x = 44,162,019.04
  5. Step 5: Solve for x
    x = 44,162,019.04/7,579.56
  6. Step 6: Final answer
    x = 5,826.46

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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.