Home / 5,298.90-7,946.46-1,788.09

Finding the Fourth Proportional to 5,298.90, 7,946.46 and 1,788.09

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Solution

The fourth proportional to 5,298.90, 7,946.46 and 1,788.09 is: 2,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.90 : 7,946.46 = 1,788.09 : x
  2. Step 2: Convert to fraction form
    5,298.90/7,946.46 = 1,788.09/x
  3. Step 3: Cross multiply
    5,298.90x = 7,946.46 × 1,788.09
  4. Step 4: Simplify right side
    5,298.90x = 14,208,985.66
  5. Step 5: Solve for x
    x = 14,208,985.66/5,298.90
  6. Step 6: Final answer
    x = 2,681.50

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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.