Home / 8,389.63-12,580.80-4,883.14

Finding the Fourth Proportional to 8,389.63, 12,580.80 and 4,883.14

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Solution

The fourth proportional to 8,389.63, 12,580.80 and 4,883.14 is: 7,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.63 : 12,580.80 = 4,883.14 : x
  2. Step 2: Convert to fraction form
    8,389.63/12,580.80 = 4,883.14/x
  3. Step 3: Cross multiply
    8,389.63x = 12,580.80 × 4,883.14
  4. Step 4: Simplify right side
    8,389.63x = 61,433,807.71
  5. Step 5: Solve for x
    x = 61,433,807.71/8,389.63
  6. Step 6: Final answer
    x = 7,322.59

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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.