Home / 5,210.70-7,826.94-4,430.58

Finding the Fourth Proportional to 5,210.70, 7,826.94 and 4,430.58

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Solution

The fourth proportional to 5,210.70, 7,826.94 and 4,430.58 is: 6,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.70 : 7,826.94 = 4,430.58 : x
  2. Step 2: Convert to fraction form
    5,210.70/7,826.94 = 4,430.58/x
  3. Step 3: Cross multiply
    5,210.70x = 7,826.94 × 4,430.58
  4. Step 4: Simplify right side
    5,210.70x = 34,677,883.83
  5. Step 5: Solve for x
    x = 34,677,883.83/5,210.70
  6. Step 6: Final answer
    x = 6,655.13

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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.