Home / 8,730.46-12,047.64-4,953.40

Finding the Fourth Proportional to 8,730.46, 12,047.64 and 4,953.40

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Solution

The fourth proportional to 8,730.46, 12,047.64 and 4,953.40 is: 6,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.46 : 12,047.64 = 4,953.40 : x
  2. Step 2: Convert to fraction form
    8,730.46/12,047.64 = 4,953.40/x
  3. Step 3: Cross multiply
    8,730.46x = 12,047.64 × 4,953.40
  4. Step 4: Simplify right side
    8,730.46x = 59,676,779.98
  5. Step 5: Solve for x
    x = 59,676,779.98/8,730.46
  6. Step 6: Final answer
    x = 6,835.47

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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.