Home / 6,030.40-8,312.34-5,087.56

Finding the Fourth Proportional to 6,030.40, 8,312.34 and 5,087.56

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Solution

The fourth proportional to 6,030.40, 8,312.34 and 5,087.56 is: 7,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,030.40 : 8,312.34 = 5,087.56 : x
  2. Step 2: Convert to fraction form
    6,030.40/8,312.34 = 5,087.56/x
  3. Step 3: Cross multiply
    6,030.40x = 8,312.34 × 5,087.56
  4. Step 4: Simplify right side
    6,030.40x = 42,289,528.49
  5. Step 5: Solve for x
    x = 42,289,528.49/6,030.40
  6. Step 6: Final answer
    x = 7,012.72

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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.