Home / 8,283.68-11,430.64-4,698.80

Finding the Fourth Proportional to 8,283.68, 11,430.64 and 4,698.80

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Solution

The fourth proportional to 8,283.68, 11,430.64 and 4,698.80 is: 6,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.68 : 11,430.64 = 4,698.80 : x
  2. Step 2: Convert to fraction form
    8,283.68/11,430.64 = 4,698.80/x
  3. Step 3: Cross multiply
    8,283.68x = 11,430.64 × 4,698.80
  4. Step 4: Simplify right side
    8,283.68x = 53,710,291.23
  5. Step 5: Solve for x
    x = 53,710,291.23/8,283.68
  6. Step 6: Final answer
    x = 6,483.87

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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.