Home / 8,681.02-13,009.48-4,722.55

Finding the Fourth Proportional to 8,681.02, 13,009.48 and 4,722.55

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Solution

The fourth proportional to 8,681.02, 13,009.48 and 4,722.55 is: 7,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.02 : 13,009.48 = 4,722.55 : x
  2. Step 2: Convert to fraction form
    8,681.02/13,009.48 = 4,722.55/x
  3. Step 3: Cross multiply
    8,681.02x = 13,009.48 × 4,722.55
  4. Step 4: Simplify right side
    8,681.02x = 61,437,875.44
  5. Step 5: Solve for x
    x = 61,437,875.44/8,681.02
  6. Step 6: Final answer
    x = 7,077.27

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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.