Home / 8,740.16-13,114.08-2,897.60

Finding the Fourth Proportional to 8,740.16, 13,114.08 and 2,897.60

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Solution

The fourth proportional to 8,740.16, 13,114.08 and 2,897.60 is: 4,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.16 : 13,114.08 = 2,897.60 : x
  2. Step 2: Convert to fraction form
    8,740.16/13,114.08 = 2,897.60/x
  3. Step 3: Cross multiply
    8,740.16x = 13,114.08 × 2,897.60
  4. Step 4: Simplify right side
    8,740.16x = 37,999,358.21
  5. Step 5: Solve for x
    x = 37,999,358.21/8,740.16
  6. Step 6: Final answer
    x = 4,347.67

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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.