Home / 8,490.48-11,717.40-4,764.72

Finding the Fourth Proportional to 8,490.48, 11,717.40 and 4,764.72

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Solution

The fourth proportional to 8,490.48, 11,717.40 and 4,764.72 is: 6,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.48 : 11,717.40 = 4,764.72 : x
  2. Step 2: Convert to fraction form
    8,490.48/11,717.40 = 4,764.72/x
  3. Step 3: Cross multiply
    8,490.48x = 11,717.40 × 4,764.72
  4. Step 4: Simplify right side
    8,490.48x = 55,830,130.13
  5. Step 5: Solve for x
    x = 55,830,130.13/8,490.48
  6. Step 6: Final answer
    x = 6,575.62

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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.