Home / 5,210.77-7,818.32-1,748.29

Finding the Fourth Proportional to 5,210.77, 7,818.32 and 1,748.29

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Solution

The fourth proportional to 5,210.77, 7,818.32 and 1,748.29 is: 2,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.77 : 7,818.32 = 1,748.29 : x
  2. Step 2: Convert to fraction form
    5,210.77/7,818.32 = 1,748.29/x
  3. Step 3: Cross multiply
    5,210.77x = 7,818.32 × 1,748.29
  4. Step 4: Simplify right side
    5,210.77x = 13,668,681.93
  5. Step 5: Solve for x
    x = 13,668,681.93/5,210.77
  6. Step 6: Final answer
    x = 2,623.16

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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.