Home / 8,807.40-12,153.96-5,030.76

Finding the Fourth Proportional to 8,807.40, 12,153.96 and 5,030.76

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Solution

The fourth proportional to 8,807.40, 12,153.96 and 5,030.76 is: 6,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.40 : 12,153.96 = 5,030.76 : x
  2. Step 2: Convert to fraction form
    8,807.40/12,153.96 = 5,030.76/x
  3. Step 3: Cross multiply
    8,807.40x = 12,153.96 × 5,030.76
  4. Step 4: Simplify right side
    8,807.40x = 61,143,655.81
  5. Step 5: Solve for x
    x = 61,143,655.81/8,807.40
  6. Step 6: Final answer
    x = 6,942.30

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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.